#A6281B#A6281B

#A6281B is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.164 H 30.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#A6281B
RGB	rgb(166, 40, 27)
HSL	hsl(6, 72%, 38%)
HSV	hsv(6, 84%, 65%)
CMYK	cmyk(0%, 75.9%, 83.7%, 34.9%)
CIE-LAB	lab(37.31, 50.17, 38.87)
CIE-LCH	lch(37.31, 63.47, 37.76°)
OKLab	oklab(47.88% 0.1423 0.0824)
OKLCH	oklch(47.88% 0.164 30.1)
XYZ	xyz(16.6845, 9.7064, 2.0317)
Luminance	0.0970 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6281B #1B99A6

analogous

#A61B53 #A6281B #A66E1B

triadic

#A6281B #1BA628 #281BA6

tetradic

#A6281B #53A61B #1B99A6 #6E1BA6

square

#A6281B #53A61B #1B99A6 #6E1BA6

split-complementary

#A6281B #1BA66E #1B53A6

monochromatic

#3D0F0A #711B12 #A6281B #DB3524 #E46558

Accessibility & contrast

On white

7.14

#A6281B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A6281B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6281B

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6281B	#FFFFFF	#000000	##FFFFFF
##A6281B	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4618

Deuteranopia (green-blind)

#6E6214

Tritanopia (blue-blind)

#B70026

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6281b;
/* rgb */ color: rgb(166, 40, 27);
/* oklch */ color: oklch(47.9% 0.164 30.1);

Tailwind

colors: {
  custom: {
    50: '#ca6c59',
    500: '#a6281b',
    950: '#000000',
  },
}

SCSS

$custom: #a6281b;
$custom-light: #ca6c59;
$custom-dark: #000000;

JSON

{
  "hex": "#a6281b",
  "rgb": {
    "r": 166,
    "g": 40,
    "b": 27
  },
  "hsl": {
    "h": 5.612,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47884,
    "c": 0.16443,
    "h": 30.1
  },
  "luminance": 0.09704
}

Semantic roles & 50–950 ramp

primary

#A6281B

secondary

#56BDC7

accent

#DEEF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A6281B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →